Splicing drilling equipment and drilling method applying same

Abstract

The invention discloses splicing drilling equipment and a drilling method applying the same. The splicing drilling equipment includes a rotary feeding cylinder, a lifting bracket, a lifting motor, a drilling motor and a drilling bit, further includes a drive cylinder and multiple extended cylinders. The extended cylinders are movably spliced on the drive cylinder, and the multiple extended cylinders are further movably spliced together. A vertical drive shaft is rotationally connected to the upper end of a motor box through a fixed bearing, and the external diameter of a spiral lifting blade is equal to the diameter of the inner wall of the drive cylinder. Splicing shafts corresponding to the extended shafts are movable spliced with the top end of the drive shaft. The Splicing drilling equipment can directly send out rock and soil generated from inner drilling according to the freely and flexibly increasing depth required by drilling through the extended cylinders and the extended rotary spiral lifting blade, so that the cleaning of the soil is facilitated. The upward movement of the inner rock and the soil does not damage the side wall of holes in the drilling processing, and thecylinders are used for isolating, so that the drilling holes are more stable.

Description

technical field [0001] The invention relates to the field of engineering construction, in particular to a splicable drilling equipment and a drilling method using the equipment. Background technique [0002] Drilling technology, also known as rig-less drilling technology, can be mainly used for exploration and drilling operations in extremely harsh environments such as deserts, polar regions, and swamps. During the working process of the drilling equipment, a self-burying drilling method is adopted. The working process of this drilling method is that the drill bit adopts a special design. While breaking the rock, the cuttings, soil, etc. are conveyed upward through the screw conveying rod structure inside the drill bit and sent out from the top of the equipment. When the soil is pressed against the inner wall of the drilled hole, it will impact the soil and rocks on the hole wall, destroying its surface layer, making the drilled hole uneven and affecting the requirements of...

AI Technical Summary

Problems solved by technology

The working process of this drilling method is that the drill bit adopts a special design. While breaking the rock, the cuttings, soil, etc. are conveyed upward through the screw conveying rod structure inside the drill bit and sent out from the top of the equipment. When the soil is pressed against the inner wall of the drilled hole, it will impact the soil and rocks on the hole wall, destroying its surface layer, making the drilled hole uneven and affecting the requirements of subsequent operations. In addition, the soil in the uneven hole It is not easy to transport upwards, causing the soil to get stuck easily and affecting the construction progress

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